Blockchain technology is a shared, public ledger of transactions that’s open to inspection but not subject to any form of central control. And while it offers potential for a variety of applications, its most famous is providing the platform for virtual currencies like bitcoin. Peter Smith is co-founder and CEO of Blockchain, and in this podcast, he talks about the evolution of crypto currency financial systems and what it could mean for big data analytics. Smith was the keynote speaker at the IMF’s Fifth Statistical forum on Measuring the Digital Economy.